title: Letrozole in breast cancer.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D018931:Antineoplastic Agents, Hormonal / Q000627:therapeutic use; D047072:Aromatase Inhibitors; D001943:Breast Neoplasms / Q000188:drug therapy*; D017024:Chemotherapy, Adjuvant; D004791:Enzyme Inhibitors / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D000077289:Letrozole; D009376:Neoplasms, Hormone-Dependent / Q000188:drug therapy; D009570:Nitriles / Q000627:therapeutic use*; D017698:Postmenopause; D012107:Research Design; D013629:Tamoxifen / Q000627:therapeutic use; D013997:Time Factors; D014230:Triazoles / Q000627:therapeutic use*
chemical_list: D000970:Antineoplastic Agents; D018931:Antineoplastic Agents, Hormonal; D047072:Aromatase Inhibitors; D004791:Enzyme Inhibitors; D009570:Nitriles; D014230:Triazoles; D013629:Tamoxifen; D000077289:Letrozole